This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 297045 |
| 3 | 69010153345 |
| 4 | 16032576845184901 |
| 5 | 3724720317758036481633 |
| 6 | 865334473646149974640821781 |
| 7 | 201036235582696134090746961388705 |
| 8 | 46705140322177796790584365589105966085 |